wiz-icon
MyQuestionIcon
MyQuestionIcon
6
You visited us 6 times! Enjoying our articles? Unlock Full Access!
Question

Consider the figure:
If A=50​, B=70​, and x=2y, then find the value of x+2y. [2 Marks]


Open in App
Solution


x+y=A+B
[By exterior angle property]
=50o+70o=120

Also given,
x=2y

Thus,
x+y=1202y+y=120o3y=120oy=120o3y=40
[1 Mark]

Hence,
x=2y =40o×2 =80

x+2y=80o+80o=160o

So, the value of
x+2y=160
[1 Mark]

flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Angles
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon